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Finding the Fourth Proportional to 429.43, 592.95 and 324.67

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Solution

The fourth proportional to 429.43, 592.95 and 324.67 is: 448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.43 : 592.95 = 324.67 : x
  2. Step 2: Convert to fraction form
    429.43/592.95 = 324.67/x
  3. Step 3: Cross multiply
    429.43x = 592.95 × 324.67
  4. Step 4: Simplify right side
    429.43x = 192,513.08
  5. Step 5: Solve for x
    x = 192,513.08/429.43
  6. Step 6: Final answer
    x = 448.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.